GEO-SPATIAL EVALUATION OF SOIL NITROGEN HOLDING CAPACITY ON A FARMLAND IN BOSSO, NIGER STATE, NIGERIA

Iheanyi Isiguzo, Prof. Sheikh D. Abubakar, Prof S.N Jiya, Prof Abubakar S. I. Gudugi

Abstract


The main objective of this study was to map the spatial pattern of soil nitrogen retention capacity
on the farm in Bosso, Niger State, Nigeria. It provides the sustainable land management practices in the face of global climatic change and increasing problems of food security. Total number of 100 composite samples were collected from the grid units of the farm and nitrogen retention capacity of these soil samples were measured in the laboratory. Spatial variation  was predicted using Kriging geo-statistical approach with  ArcGIS 10.5 version software as an interpolation tool in order to map the spatial distribution of soil nitrogen of the study area. The soil nitrogen varied between 0.00% to 0.07% in certain samples which lie between 0.07% to 0.13% and others between 0.13% to  0.32%. all in cmol/kg. It was shown  that values in few isolated locations were high between 0.07% to 0.13%. Other locations were 1-4 cmol/kg, 14 cmol/kg, 15 cmol/kg, 17 cmol/kg, 20 cmol/kg and 21 cmol/kg, close to locations with the very low nitrogen. It is recommended to apply nitrogen fertilizers in the farm soil in order to increase the nitrogen availability for plants, so that crops can grow, develop and produce more yield. Also, the study recommended the cultivation of nitrogen fixing leguminous crops in the study area for optimum yield. 

             
Keywords: Evaluation, Farmland, Geo-Spatial, Nitrogen, Soil

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References


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